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ALL-IN-ONE MULTI-CPU SYSTEM BOARD

COMPUDYNE

ALL-IN-ONE MULTI-CPU SYSTEM BOARD

Processor

80386DX/80486SX/CX486DLC/TI486DLC/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

32MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot, floppy drive interface, game interface, IDE interface, parallel port, serial ports (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Speaker

J11

Game interface

CN2

Reset switch

J12

Serial port

CN3

IDE interface LED

J13

Serial port

CN4

Turbo switch

J14

IDE interface

CN5

Turbo LED

J15

Floppy drive interface

CN6

Power LED & keylock

J16

External battery

J2

32-bit VESA local bus slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Battery type select internal

W1

Closed

 

Battery type select external

W1

Open

 

Monitor type select color

W2

Closed

 

Monitor type select monochrome

W2

Open

 

Jumper information unavailable

W9

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

None

4MB

(4) 1M x 9

None

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

U64

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 64K x 1

128KB

(4) 32K x 8

None

(1) 8K x 8

(1) 64K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

W4

W5

W6

W13

W19

W20

W21

W22

64KB

2 & 3

Open

Open

2 & 3

Open

Open

Open

Open

128KB

1 & 2

Open

Closed

1 & 2

Open

Open

Open

Closed

256KB

2 & 3

Closed

Closed

2 & 3

Open

Open

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION

Speed

W10

W14

W15

W16

20MHz

Open

Closed

Open

Open

25MHz

Open

Open

Closed

Closed

33MHz

Open

Open

Closed

Open

40MHz

Closed

Open

Open

Closed

50iMHz

Open

Open

Closed

Closed

50MHz

Open

Open

Closed

Closed

66iMHz

Open

Open

Closed

Open

CPU TYPE SELECTION

Type

W3

W7

W8

W17

W18

W23

W24

80386DX

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

Open

N/A

CX486DLC

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

Open

N/A

TI486DLC

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

Open

N/A

80486SX

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

Open

1 & 2

80486DX

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

Open

2 & 3

80486DX-50

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Closed

2 & 3

80486DX2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

Open

2 & 3

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION

Setting

W11

0

Open

1

Closed

VL BUS SPEED SELECTION

Speed

W12

<= 33MHz

Closed

>33 MHz

Open